TL* THE CONTACT OWNS A 2011 HYUNDAI SONATA. THE CONTACT STATED THAT THE STOP LAMP ON THE VEHICLE MELTED INTO THE LIGHTING STRUCTURE, WHICH CAUSED THE BRAKE LAMP NOT TO ILLUMINATE WHEN THE BRAKE PEDAL WAS DEPRESSED. THE VEHICLE WAS TAKEN TO THE DEALER TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE TAIL LAMP ASSEMBLY NEEDED TO BE REPLACED. THE CONTACT STATED THAT THE TAIL LAMP ASSEMBLY WAS REPLACED ON THREE SEPARATE OCCASIONS; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 30,000.